Page 81 - Math Course 1 (Book 1)
P. 81

Unlike Fractions






                 Gardening
                 Howard’s tomato plants grew a total of  7  11  inches during the f rst three weeks after sprouting. If they
                                                       24
                         7
                                                             1
                 grew  1          inches during the f rst week and               inches during the second week, how much did they
                                                          2
                         8                                   4
                 grow during the third week after sprouting?
                                                     1                   1
                                              A.   3              C.  4
                                                     3                   8
                                                     19                  7
                                              B.   3              D.  11         Answer
                                                     24                 12






                 Skill Practice!



                Find each sum or difference. Write in simplest form.

                     4    1                            10    1                           4    1
               1.      +                        6.         -                      11.       -
                     7    3                            11    2                           5    8







                     2    3                            8     1                           7    1
               2.      +                        7.         -                      12.  1  +3
                     5    4                            9     4                           8    3







                        (
               3.    2  +   -  3  (             8.     5   -  1                   13.  23  3  - 12  5
                     5      10                         6    12                           4     16





                     5    7                             19   1                           5     1
               4.  -  6  +  9                   9.      20  +  4                  14.  8  9  - 1  6









                    5    23                             9    1                             7      1
               5.      +                        10.   -    -                      15.  -21    + 13
                    12   24                             10   3                            16      4








                                                                                                                 73
   76   77   78   79   80   81   82   83   84   85   86